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Adjective: inert (inerter,inertest)  in'urt
  1. Unable to move or resist motion
  2. (chemistry) having only a limited ability to react chemically; chemically inactive
    "inert matter";
    - indifferent, neutral
  3. Slow and apathetic
    "she was fat and inert";
    - sluggish, torpid, dozy [Brit, informal]

Derived forms: inertest, inerter

See also: inactive, nonmoving, unmoving, unreactive

Encyclopedia: Inert